Home / 80,645.34-111,289.90-44,835.04

Finding the Fourth Proportional to 80,645.34, 111,289.90 and 44,835.04

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Solution

The fourth proportional to 80,645.34, 111,289.90 and 44,835.04 is: 61,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.34 : 111,289.90 = 44,835.04 : x
  2. Step 2: Convert to fraction form
    80,645.34/111,289.90 = 44,835.04/x
  3. Step 3: Cross multiply
    80,645.34x = 111,289.90 × 44,835.04
  4. Step 4: Simplify right side
    80,645.34x = 4,989,686,337.47
  5. Step 5: Solve for x
    x = 4,989,686,337.47/80,645.34
  6. Step 6: Final answer
    x = 61,871.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.